ASME SA213 seamless ferritic and austenitic alloy steel tubes are specifically designed for heat exchangers, condensers, and boilers operating under high temperature and high pressure.
These tubes offer excellent oxidation resistance, corrosion resistance, and stable mechanical properties, making them widely used in power generation, petrochemical, marine, and nuclear power industries.
| Parameter | Details |
|---|---|
| Standard | ASME SA213 / SA213M |
| Grades | T5, T9, T11, T22, T91, TP304, TP316, TP321, etc. |
| Outer Diameter (OD) | 12.7 mm – 127 mm (custom available) |
| Wall Thickness (WT) | 0.5 mm – 12 mm |
| Length | Fixed length, double random length, or random length (max 22 m) |
| Manufacturing Process | Hot rolled, cold drawn, cold rolled (seamless) |
| Surface Finish | Pickled, bright annealed, shot blasted, oiled for rust protection |
| End Types | Plain ends, beveled ends, threaded, with plastic caps |
| Grade | C ≤ | Mn ≤ | P ≤ | S ≤ | Si ≤ | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|---|
| T11 | 0.15 | 0.60 | 0.025 | 0.025 | 0.50 | 1.0–1.5 | 0.44–0.65 | – |
| T22 | 0.15 | 0.60 | 0.025 | 0.025 | 0.50 | 1.9–2.6 | 0.87–1.13 | – |
| T91 | 0.08–0.12 | 0.30–0.60 | 0.020 | 0.010 | 0.20–0.50 | 8.0–9.5 | 0.85–1.05 | 0.40 |
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | – | 8.0–11.0 |
Note: Full mill test certificates and PMI test reports available upon request.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HBW) |
|---|---|---|---|---|
| T11 | ≥ 415 | ≥ 220 | ≥ 30 | ≤ 163 |
| T22 | ≥ 415 | ≥ 205 | ≥ 30 | ≤ 163 |
| T91 | ≥ 585 | ≥ 415 | ≥ 20 | ≤ 250 |
| TP304 | ≥ 515 | ≥ 205 | ≥ 35 | ≤ 192 |
High-temperature tensile properties available upon request.
We provide free samples (small sizes available)